Cosmic ray acceleration by shocks: spectral steepening due to turbulent magnetic field amplification
Abstract
We show that the energy required to turbulently amplify magnetic field during cosmic ray (CR) acceleration by shocks extracts energy from the CR and steepens the CR energy spectrum.
- Publication:
-
Monthly Notices of the Royal Astronomical Society
- Pub Date:
- September 2019
- DOI:
- 10.1093/mnras/stz1805
- arXiv:
- arXiv:1906.12240
- Bibcode:
- 2019MNRAS.488.2466B
- Keywords:
-
- acceleration of particles;
- magnetic fields;
- shock waves;
- cosmic rays;
- Astrophysics - High Energy Astrophysical Phenomena
- E-Print:
- Accepted for publication in the Monthly Notices of the Royal Astronomical Society